Evidence map›Paper›PMID 10074113›Full record

ArticleJournal of virology1999

Mutational analysis of the human immunodeficiency virus type 1 Vif protein.

J H Simon, A M Sheehy, E A Carpenter, R A Fouchier, M H Malim

Open access · bronzeAbstract read
In one paragraph

Article in Journal of virology, 1999. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed
1.1field-weighted citation impact, top 26% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

33 citing papers in PubMed, 69 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 1 institution in 1 country.

J H SimonDepartments of Microbiology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104-6148, USA.
A M Sheehy
E A Carpenter
R A Fouchier
M H Malim
Howard Hughes Medical Institute · US

Funding

HIV-1 VIF PROTEINR29AI038715 · NIAID · UNIVERSITY OF PENNSYLVANIA · PI MALIM, MICHAEL H · 1995 to 1998
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NIAID NIH HHS AI38715
6 · The paper itself

Abstract

Lentivirus Vif proteins are potent regulators of virus infectivity. However, relatively little is known about the functional domains, peptide motifs, or residues of any Vif protein. In this report, we present the first extensive mutagenesis analysis of the 192-amino-acid human immunodeficiency virus type 1 (HIV-1) Vif protein. A large number of scanning missense (mostly alanine substitution) and deletion mutations were introduced into the HIV-1HXB3 vif gene, and the resulting proteins were evaluated for the induction of virus infectivity as well as subcellular localization. The results show that amino acids dispersed throughout Vif's linear sequence are important for function. However, because many of the inactive proteins also appear to be mislocalized, we suggest that many of them may actually be misfolded rather lacking an intracellular targeting signal. Interestingly, disruptions within an internal region spanning residues 114 to 146 give rise to mutant proteins that either retain function or are inactive but are not substantially mislocalized. We therefore speculate that this region, which harbors two essential cysteine residues and one essential serine residue, may contain aspects of a putative Vif effector domain.

Indexed as

Amino Acid SequenceDNA Mutational AnalysisGene Products, vifHIV-1HumansMolecular Sequence DataMutagenesis, Site-Directedvif Gene Products, Human Immunodeficiency VirusGene Products, vifvif Gene Products, Human Immunodeficiency Virus

Identifiers

PMID10074113
PMCPMC104023
OpenAlexW1614881750

What OpenQuestion holds

Texttitle and abstract
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.